Plug cover



FIG. 1 is a perspective view of a plug cover embodying the present design;

FIG. 2 is a front view thereof; a rear view being a mirror image of a front view;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a cross sectional view taken along the horizontal center of FIG. 6, looking toward the bottom of the page.

The broken line showing of the plug in FIG. 7 is included for the purpose of illustrating the environment of the plug cover only and forms no part of the claimed design. 

The ornamental design for a plug cover, as shown and described. 